CN212676168U - Double-column vertical open type ice melting isolating switch - Google Patents
Double-column vertical open type ice melting isolating switch Download PDFInfo
- Publication number
- CN212676168U CN212676168U CN202021422346.8U CN202021422346U CN212676168U CN 212676168 U CN212676168 U CN 212676168U CN 202021422346 U CN202021422346 U CN 202021422346U CN 212676168 U CN212676168 U CN 212676168U
- Authority
- CN
- China
- Prior art keywords
- contact
- knife
- insulator
- contact knife
- post
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000008018 melting Effects 0.000 title claims description 23
- 238000002844 melting Methods 0.000 title claims description 23
- 239000012212 insulator Substances 0.000 claims abstract description 46
- 230000003068 static effect Effects 0.000 claims abstract description 12
- 229910052573 porcelain Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Images
Landscapes
- Thermally Actuated Switches (AREA)
Abstract
The utility model discloses a twin columns open ice-melt isolator immediately, include: the device comprises a bracket, a static contact, a moving contact and a main knife mechanism; the static contact and the moving contact are respectively arranged at two opposite ends of the support through a post insulator, the main knife mechanism comprises a first contact knife and a second contact knife, one end of the first contact knife and one end of the second contact knife are respectively rotatably connected with two connecting parts on the moving contact, the first contact knife and the second contact knife are parallel to each other and are spaced by a distance, the middle position of the second contact knife is connected to an operation insulator, and the tail end of the operation insulator is connected to a linkage shaft. The embodiment of the utility model provides a become two sword structures of touching with traditional isolator's single electrically conductive sword of touching, ensured electrically conductive through-flow stability. Meanwhile, the moving contact and the static contact are respectively arranged on the post insulators at two ends, the disconnecting link is driven to rotate through the operation insulator to complete switching on, and the fixed moving contact and the separated upper and lower contact knives can reduce switching on impact.
Description
Technical Field
The utility model relates to an electric power ice-melt equipment field, specificly relate to a twin columns is open ice-melt isolator immediately.
Background
The threat of ice disaster is always a technical problem to be solved by the industry of the power system. In recent years, with the change of global climate conditions, the weather of low temperature rain and snow freezing frequently appears in the south, China and North China, which leads to large-area and long-time outage of transmission lines in various provinces of China for many times, and causes great loss to national economy and people's life. In order to prevent the reoccurrence of the situation, after the 2008 ice disaster, China power science and technology workers independently research and develop ice melting technology and devices, and successfully develop a high-power ice melting device with completely independent intellectual property rights, mainly comprising various types such as a type with a special rectifier transformer, a type without a special rectifier transformer, a vehicle-mounted mobile type and the like, and further being popularized and applied nationwide. In the ice season of 2009-2020, the lines with the voltage of more than 10kV are subjected to ice melting for thousands of times, and the power of the ice melting device is fully exerted.
From the application of the existing 10kV ice melting device in a power grid, the connection (or disconnection) of a bus of an output pipe of the ice melting device and an ice melting line and the short circuit (or disconnection) of the ice melting line are generally realized in a manual mode, during ice melting, an operator connects the bus of the ice melting pipe with the line by using a tool and a temporary short circuit wire on the site in a substation where the ice melting device is located, then the line is short-circuited by using the temporary short circuit wire according to requirements in a substation on the opposite side of the line to be melted, an isolating switch plays a role of switching on and off equipment in the ice melting through-flow process, and the current through-flow ratio required by ice. The existing isolating switch has large switching-on impact, poor conductive circulation stability and poor reliability, and is not suitable for being used as an isolating switch for high-current ice melting.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a twin columns is open ice-melt isolator immediately can reduce the combined floodgate and strike to the through-current capability is strong, can be under the adverse conditions normal operation.
According to the utility model discloses open ice-melt isolator immediately of twin columns, include: the support comprises a support, wherein a first post insulator is arranged at one end of the support, a second post insulator is arranged at the position, corresponding to the first post insulator, of the other end of the support, and the first post insulator and the second post insulator are parallel to each other; the fixed contact is fixed at the front end of the first pillar insulator; the moving contact is fixed at the front end of the second post insulator; the main knife mechanism comprises a first contact knife and a second contact knife, one end of the first contact knife and one end of the second contact knife are rotatably connected with two connecting portions on the moving contact respectively, the first contact knife and the second contact knife are parallel to each other and are spaced at a certain distance, the middle position of the second contact knife is connected to an operation insulator, the tail end of the operation insulator is connected to a linkage shaft, the linkage shaft is used for driving the operation insulator to move through rotation, so that the second contact knife rotates around the moving contact to achieve contact/separation with the fixed contact, and the second contact knife is connected with the first contact knife through a connecting rod so as to enable the second contact knife to drive the first contact knife to rotate synchronously.
According to the utility model discloses open ice-melt isolator immediately of twin columns has following technological effect at least: the embodiment of the utility model provides a become two sword structures of touching with traditional isolator's single electrically conductive sword of touching, ensured electrically conductive through-flow stability, the overall structure stability after closing a floodgate has also been strengthened to two sword structures of touching in addition. Meanwhile, the moving contact and the static contact are respectively arranged on the post insulators at two ends, the disconnecting link is driven to rotate through the operation insulator to complete switching on, and the fixed moving contact and the separated upper and lower contact knives can reduce switching on impact.
According to some embodiments of the utility model, be provided with on the static contact and be used for touching the first contact surface of sword contact and be used for touching the second contact surface of sword contact with the second with first.
According to some embodiments of the invention, the first contact surface and the second contact surface are both covered with a silver coating.
According to some embodiments of the utility model, be provided with the connecting piece on the universal driving shaft, the connecting piece with the terminal rotatable linking to each other of operation insulator.
According to some embodiments of the utility model, first touch sword and second touch the sword and all be provided with the vase on being close to the one end of static contact.
According to some embodiments of the utility model, first contact sword and second all adopt red copper to touch the sword.
According to some embodiments of the utility model, be provided with spring mechanism on the universal driving shaft in order to be used for adjusting the tensile force after closing a floodgate.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is the embodiment of the utility model provides an embodiment double column found open ice-melt isolator's schematic structure.
Reference numerals
The device comprises a bracket 100, a first pillar insulator 110, a second pillar insulator 120, a fixed contact 210, a movable contact 220, a first contact knife 310, a second contact knife 320, an operating insulator 330, a connecting rod 340, a linkage shaft 400, a connecting piece 410 and a porcelain insulator 500.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the positional descriptions, such as the directions or positional relationships indicated by the upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, a dual-column vertical-open ice melting isolating switch includes a bracket 100, a fixed contact 210, a movable contact 220 and a main blade mechanism.
The left end of the bracket 100 is provided with a vertical first post insulator 110, the right end of the bracket 100 is provided with a vertical second post insulator 120, and the first post insulator 110 and the second post insulator are parallel to each other; the static contact 210 is fixed at the top end of the first pillar insulator 110; the movable contact 220 is fixed to the top end of the second post insulator 120. Obviously, the above installation mode is only a preferred embodiment of the present invention, and two post insulators can be transversely disposed at two ends of the bracket, and the installation positions of the moving contact and the static contact can be exchanged.
The main knife mechanism comprises a first contact knife 310 and a second contact knife 320, one end of the first contact knife 310 and one end of the second contact knife are respectively installed on the movable contact through a rotating shaft, wherein the first contact knife 310 is located above the second contact knife 320, the first contact knife 310 and the second contact knife 320 are parallel to each other and are spaced at a certain distance, the middle position of the second contact knife 320 is connected to an operating insulator 330, the tail end of the operating insulator 330 is connected to a linkage shaft 400, a connecting piece 410 is arranged on the linkage shaft 400, and the connecting piece 410 is rotatably connected with the tail end of the operating insulator 330. The linkage shaft 400 drives the operating insulator 330 to move through rotation, so that the second contact blade 320 rotates around the moving contact 220, the second contact blade 320 is connected with the first contact blade 310 through a connecting rod 340, the second contact blade 320 drives the first contact blade 310 to rotate synchronously when rotating, the moving contact 220 is contacted with or separated from the fixed contact 210, and the switching operation is realized.
In order to enhance the conductive performance, the first contact blade 310 and the second contact blade 320 are made of red copper with excellent conductive performance. The static contact 210 is provided with a first contact surface for contacting with the first contact blade 310 and a second contact surface for contacting with the second contact blade 320, and the first contact surface and the second contact surface are covered with silver plating layers in a contacting manner, so that the conductivity and the service life of the contact are further improved.
In order to adjust the tension after switching on, the linkage shaft 400 is further provided with a spring mechanism, the spring mechanism can be a spring column or a spring, and when the spring mechanism rotates to a certain angle to realize switching on, pressure is applied to the linkage shaft 400 to keep a switching on state.
To sum up, the embodiment of the utility model provides a with traditional isolator's single electrically conductive sword that touches becomes two sword structures that touch, ensured electrically conductive through-flow stability, the overall structure stability after closing a floodgate has also been strengthened to two sword structures that touch in addition. Meanwhile, the moving contact 220 and the static contact 210 are respectively installed on the post insulators at the two ends, the operating insulator 330 drives the disconnecting link to rotate to complete switching on, and the fixed moving contact and the separated upper and lower contact blades can reduce switching on impact.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. A double-column vertical open type ice melting isolating switch is characterized by comprising:
the support comprises a support (100), wherein one end of the support (100) is provided with a first post insulator (110), the other end of the support (100) is provided with a second post insulator (120) at a position corresponding to the first post insulator (110), and the first post insulator (110) and the second post insulator are parallel to each other;
the fixed contact (210), the fixed contact (210) is fixed at the front end of the first pillar insulator (110);
the moving contact (220), the said moving contact (220) is fixed on the front end of the said second pillar insulator (120);
a main knife mechanism comprising a first contact knife (310) and a second contact knife (320), one end of the first contact knife (310) and one end of the second contact knife (320) are respectively rotatably connected with the movable contact (220), the first contact knife (310) and the second contact knife (320) are parallel to each other and are spaced apart from each other by a certain distance, the middle position of the second contact blade (320) is connected to an operating insulator (330), the tail end of the operating insulator (330) is connected to a linkage shaft (400), the linkage shaft (400) is used for driving the operating insulator (330) to move through rotation so that the second contact knife (320) rotates around the movable contact (220), the second contact knife (320) is connected with the first contact knife (310) through a connecting rod (340) so as to enable the second contact knife (320) to drive the first contact knife (310) to synchronously rotate, and therefore the contact/separation with the static contact (210) is achieved.
2. The dual-post standing open ice melting isolating switch as claimed in claim 1, wherein: the fixed contact (210) is provided with a first contact surface for contacting with the first contact knife (310) and a second contact surface for contacting with the second contact knife (320).
3. The dual-post standing open ice melting isolating switch as claimed in claim 2, wherein: and the first contact surface and the second contact surface are covered with silver coatings.
4. The dual-post standing open ice melting isolating switch as claimed in claim 1, wherein: the linkage shaft (400) is provided with a connecting piece (410), and the connecting piece (410) is rotatably connected with the tail end of the operating insulator (330).
5. The dual-post standing open ice melting isolating switch as claimed in claim 1, wherein: porcelain bottles (500) are arranged at one ends, close to the static contact (210), of the first contact knife (310) and the second contact knife (320).
6. The dual-post standing open ice melting isolating switch as claimed in claim 1, wherein: the first contact knife (310) and the second contact knife (320) both adopt red copper contact knives.
7. The dual-post standing open ice melting isolating switch as claimed in claim 1, wherein: and a spring mechanism is arranged on the linkage shaft (400) and used for adjusting the tension force after switching on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021422346.8U CN212676168U (en) | 2020-07-17 | 2020-07-17 | Double-column vertical open type ice melting isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021422346.8U CN212676168U (en) | 2020-07-17 | 2020-07-17 | Double-column vertical open type ice melting isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212676168U true CN212676168U (en) | 2021-03-09 |
Family
ID=74816222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021422346.8U Active CN212676168U (en) | 2020-07-17 | 2020-07-17 | Double-column vertical open type ice melting isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212676168U (en) |
-
2020
- 2020-07-17 CN CN202021422346.8U patent/CN212676168U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204966369U (en) | Outdoor high voltage isolator of GW1 | |
| CN103474284B (en) | Three-work-station dual-ground-connection load switch | |
| CN201893269U (en) | High-voltage disconnector contact component | |
| CN201673845U (en) | High-current outdoor isolating switch | |
| CN111900020A (en) | Double-column vertical open type ice melting isolating switch | |
| CN212676168U (en) | Double-column vertical open type ice melting isolating switch | |
| CN101964269B (en) | Conversion-drum three-position isolating mode and isolating switch | |
| CN113593969A (en) | High-parameter bus conversion current's scissors formula isolator's cut-off device | |
| CN201387836Y (en) | Three-column flip horizontal outdoor three-phase high-voltage AC isolating switch | |
| CN101866773A (en) | Three-post horizontally turning type extra-high voltage series compensation parallel-connection isolation switch | |
| CN201638731U (en) | Telescopic outdoor high-voltage alternate-current isolating switch with dual-column horizontal fracture | |
| CN112271681B (en) | Leading structure of direct-current ground wire ice melting power supply of extra-high voltage multi-terminal direct-current converter station | |
| CN102034639B (en) | Outdoor high-voltage AC three-pole double-earthing isolating switch | |
| CN101320649B (en) | 35kV outdoor AC isolation switch | |
| CN205004240U (en) | High voltage circuit breaker's insulation system | |
| CN203445048U (en) | Three-station double grounding load switch | |
| CN209641525U (en) | A kind of brake pull-rod for realizing on-pole switch five-defence block | |
| CN106531531A (en) | Extra-high voltage and high-current ice-melting isolation switch | |
| CN206877856U (en) | Switch component and contact net | |
| CN201210461Y (en) | 35kV outdoor AC high isolating switch | |
| CN111341597A (en) | Outdoor isolating switch | |
| CN117423568A (en) | High-current high-reliability ice-melting short-circuit isolating switch and use method thereof | |
| CN204668226U (en) | A kind of outdoor novel formula high voltage isolator that opens ice | |
| CN213845131U (en) | Isolating switch with spherical contact | |
| CN214672345U (en) | Novel outdoor high-voltage alternating-current grounding switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 393, Section 3, Jinxing North Road, Wangcheng Economic and Technological Development Zone, Changsha, Hunan 410219 Patentee after: Chang Hi-Tech New Technology Co.,Ltd. Country or region after: China Patentee after: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR Co.,Ltd. Address before: 411400, No. 393, section 3, North Jinxing Road, Wangcheng economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP Co.,Ltd. Country or region before: China Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR Co.,Ltd. |